authoritarian

favoring complete obedience or subjection to authority as opposed to individual freedom:

authoritarian principles; authoritarian attitudes.

2.

of or relating to a governmental or political system, principle, or practice in which individual freedom is held as completely subordinate to the power or authority of the state, centered either in one person or a small group that is not constitutionally accountable to the people.

3.

exercising complete or almost complete control over the will of another or of others:

authoritarian

adj.

1862, "favoring imposed order over freedom," from authority + -an. Cf. authoritative, which originally had this meaning to itself. Noun in the sense of one advocating or practicing such governance is from 1859.